let radius = 10
const pi = 3.14

console.log(radius, pi)

console.log(10 / 2)

//let result = radius % 3

//let result = pi * radius ** 2

let result = 5 * (10 - 3) ** 2

let likes = 10 
likes = likes + 1
likes += 1
likes -= 1

console.log(5 / 'likes') // NaN, not a number

const score1 = 90
const score2 = 85
const score3 = 83

const avg = (score1 + score2 + score3) / 3
console.log('avg:', avg) 